Animaniacs - Three cartoon characters that were locked up in the Warner Brothers Movie Lot's Water Tower since the 1930's, escape in the 1990's, and cause havoc/slapstick and mock Hollywood personalities. Other shows within this show existed as well, most notably Pinky and the Brain. They were two lab mice that secretly wanted to take over and control Earth.
Goofy is an animated character created in 1932 at Walt Disney Productions and a member of the Sensational Six. He is a tall, anthropomorphic dog who is best friends with Mickey Mouse and Donald Duck. Along with not being extremely intelligent, Goofy's main flaw is, predictably, clumsiness.